ARM: dts: tango4: Update cpus node for cpufreq

This platform will use the new generic platdev driver.
Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/boot/dts/tango4-smp8758.dtsi

@@ -11,6 +11,9 @@ cpu0: cpu@0 {
 			next-level-cache = <&l2cc>;
 			device_type = "cpu";
 			reg = <0>;
+			clocks = <&clkgen CPU_CLK>;
+			clock-latency = <1>;
+			operating-points = <1215000 0 607500 0 405000 0 243000 0 135000 0>;
 		};
 
 		cpu1: cpu@1 {